File:Sarcomere animation.gif

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Muscle Sarcomere Contraction

Simple animation of sarcomere contraction (if animation is not playing, reload the page). Not all sarcomere structures can be seen in low power histology images without adjusting the microscope.

Skeletal muscle histology 016.jpg


  • A band - (anisotropic bands, light band) are composed of the thick myosin filaments.
  • I band - (isotropic bands, light band) are composed of thin actin filaments.
  • H band - (German, heller =brighter). are composed of the thick filaments that is not overlapped (superimposed) by the thin filaments.
  • Z line - (German, Zwischenscheibe = Intermediate plate) appears as a series of dark lines between the I bands, indicate the end of one sarcomere and the beginning of the next.


Links: Sarcomere animation | Sarcomere histology | Muscle Histology | Muscle Development




Links: Histology | Histology Stains | Blue Histology images copyright Lutz Slomianka 1998-2009. The literary and artistic works on the original Blue Histology website may be reproduced, adapted, published and distributed for non-commercial purposes. See also the page Histology Stains.


Cite this page: Hill, M.A. (2024, May 19) Embryology Sarcomere animation.gif. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Sarcomere_animation.gif

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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Date/TimeThumbnailDimensionsUserComment
current02:11, 17 September 2009Thumbnail for version as of 02:11, 17 September 2009400 × 200 (115 KB)S8600021 (talk | contribs)Simple animation of sarcomere contraction Image Source: UWA Blue Histology http://www.lab.anhb.uwa.edu.au/mb140/CorePages/Muscle/Muscle.htm#CONTRACT